I should engineer you should engineer he should engineer we should engineer you should engineer they should engineer
V-ing form
I should be engineering you should be engineering he should be engineering we should be engineering you should be engineering they should be engineering
Perfect
I should have engineered you should have engineered he should have engineered we should have engineered you should have engineered they should have engineered
V-ing perfect
I should have been engineering you should have been engineering he should have been engineering we should have been engineering you should have been engineering they should have been engineering
Negation
Simple form
I should not engineer you should not engineer he should not engineer we should not engineer you should not engineer they should not engineer
V-ing form
I should not be engineering you should not be engineering he should not be engineering we should not be engineering you should not be engineering they should not be engineering
Perfect
I should not have engineered you should not have engineered he should not have engineered we should not have engineered you should not have engineered they should not have engineered
V-ing perfect
I should not have been engineering you should not have been engineering he should not have been engineering we should not have been engineering you should not have been engineering they should not have been engineering
Interrogative form
Simple form
should I engineer? should you engineer? should he engineer? should we engineer? should you engineer? should they engineer?
V-ing form
should I be engineering? should you be engineering? should he be engineering? should we be engineering? should you be engineering? should they be engineering?
Perfect
should I have engineered? should you have engineered? should he have engineered? should we have engineered? should you have engineered? should they have engineered?
V-ing perfect
should I have been engineering? should you have been engineering? should he have been engineering? should we have been engineering? should you have been engineering? should they have been engineering?
Interro-negative form
Simple form
should I not engineer? should you not engineer? should he not engineer? should we not engineer? should you not engineer? should they not engineer?
V-ing form
should I not be engineering? should you not be engineering? should he not be engineering? should we not be engineering? should you not be engineering? should they not be engineering?
Perfect
should I not have engineered? should you not have engineered? should he not have engineered? should we not have engineered? should you not have engineered? should they not have engineered?
V-ing perfect
should I not have been engineering? should you not have been engineering? should he not have been engineering? should we not have been engineering? should you not have been engineering? should they not have been engineering?